body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 20px;
}

h1 {
    text-align: center;
    color: #333;
}

.message {
    text-align: center;
    color: green;
    margin-bottom: 20px;
}

ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

li {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    padding: 20px;
    margin-bottom: 20px;
    width: 100%;
    max-width: 600px;
}

h3 {
    margin-top: 0;
    color: #444;
}

p {
    color: #666;
    line-height: 1.6;
}

small {
    color: #999;
}

form {
    display: inline;
    margin-right: 10px;
}

input[type="submit"] {
    background-color: #e74c3c;
    color: white;
    border: none;
    padding: 8px 12px;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

input[type="submit"]:hover {
    background-color: #c0392b;
}

a {
    color: #3498db;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #2980b9;
    text-decoration: underline;
}

.back-link {
    display: block;
    text-align: center;
    margin-top: 20px;
}